AISI 8620 Irin

Alloy Steel 8620, ti a tun ta bi AISI 8620, jẹ lile, carburizing, irin alloy kekere. Yi alloy nfun awọn olumulo ni irọrun to dayato, wọ resistance, bi daradara bi irorun ti weldability nipasẹ mora awọn ọna.

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ifihan ọja Imọ data

ifihan ọja

AISI 8620 Irinjẹ kekere alloy nickel, chromium, molybdenum irú lile irin, ni gbogbo igba ti a pese ni ipo bi yiyi pẹlu o pọju líle max HB 255. O ti wa ni commonly pese ni 8620 yika igi.

O rọ lakoko awọn itọju lile, nitorinaa mu ilọsiwaju ti ọran / awọn ohun-ini mojuto. Pre líle ati tempered (uncarburized) 8620 le ti wa ni siwaju dada àiya nipa nitriding. Bibẹẹkọ, kii yoo dahun ni itẹlọrun si ina tabi líle fifa irọbi nitori akoonu erogba kekere rẹ.

Irin 8620 ṣe deede fun awọn ohun elo eyiti o nilo apapọ ti lile ati atako wọ.

A ipese AISI 8620 igi yika ni gbona ti yiyi / Q + T / ipo deede. Iwọn ila opin ti o wa lati 20mm si 300mm fun gbigbe lẹsẹkẹsẹ.

1. AISI 8620 Irin Ipese Ibiti

8620 Yika Bar: opin 8mm - 3000mm
8620 Irin Awo: sisanra 10mm – 1500mm x iwọn 200mm – 3000mm
8620 Square Pẹpẹ: 20mm - 500mm
Awọn tubes 8620 tun wa lodi si ibeere alaye rẹ.
Ipari Ilẹ: Dudu, Ti o ni inira Machined, Yipada tabi gẹgẹbi awọn ibeere ti a fun.

Imọ data

2. SAE 8620 Irin Sipesifikesonu ati Ti o yẹ Standards

Orilẹ-ede	USA	DIN	BS	BS	Japan
Standard	ASTM A29	DIN 1654	EN 10084	BS 970	JIS G4103
Awọn ipele	8620	1.6523/ 21NiCrMo2	1.6523/ 20NiCrMo2-2	805M20	SNCM220

3. ASTM 8620 Awọn irin & Awọn ohun elo Kemikali Awọn ibaraẹnisọrọ

Standard	Ipele	C	Mn	P	S	Si	Ni	Kr	Mo
ASTM A29	8620	0.18-0.23	0.7-0.9	0.035	0.040	0.15-0.35	0.4-0.7	0.4-0.6	0.15-0.25
DIN 1654	1.6523/ 21NiCrMo2	0.17-0.23	0.65-0.95	0.035	0.035	≦0.40	0.4-0.7	0.4-0.7	0.15-0.25
EN 10084	1.6523/ 20NiCrMo2-2	0.17-0.23	0.65-0.95	0.025	0.035	≦0.40	0.4-0.7	0.35-0.70	0.15-0.25
JIS G4103	SNCM220	0.17-0.23	0.6-0.9	0.030	0.030	0.15-0.35	0.4-0.7	0.4-0.65	0.15-0.3
BS 970	805M20	0.17-0.23	0.6-0.95	0.040	0.050	0.1-0.4	0.35-0.75	0.35-0.65	0.15-0.25

4. AISI 8620 Irin Mechanical Properties

8620 Awọn ohun-ini ti ara:

iwuwo (lb / cu. in.) 0.283
Specific Walẹ 7.8
Ooru Kan pato (Btu /lb/Deg F – [32-212 Deg F]) 0.1
Oju Iyọ (Deg F) 2600
Imudara Ooru 26
Itumọ Coeff Gbona Imugboroosi 6.6
Modulu ti Ẹdọfu Elasticity 31

8620 Irin Mechanical Properties

Awọn ohun-ini	Metiriki	Imperial
Agbara fifẹ	530 MPa	76900 psi
Agbara ikore	385 MPa	55800 psi
Iwọn rirọ	190-210 GPA	27557-30458 ksi
modulus olopobobo (aṣoju fun irin)	140 GPA	20300 ksi
Irẹrẹ modulus (aṣoju fun irin)	80 GPA	11600 ksi
Ipin Poisson	0.27-0.30	0.27-0.30
Ipa Izod	115 J	84,8 ft.lb
Lile, Brinell	149	149
Lile, Knoop (ti yipada lati lile Brinell)	169	169
Lile, Rockwell B (ti yipada lati lile Brinell)	80	80
Lile, Vickers (ti o yipada lati lile Brinell)	155	155
Ṣiṣe ẹrọ (yiyi gbona ati iyaworan tutu, ti o da lori ẹrọ 100 fun irin AISI 1212)	65	65

5. Forging ti Ohun elo 8620 Irin

Irin alloy AISI 8620 jẹ eke ni iwọn otutu ti o wa ni ayika 2250ºF (1230ºC) si isunmọ 1700ºF (925ºC.) ṣaaju itọju igbona lile tabi carburizing. Awọn alloy ti wa ni air tutu lẹhin forging.

6. ASTM 8620 Irin Heat Itoju

Annealing

Irin AISI 8620 le jẹ fifun ni kikun nipasẹ ooru si 820 ℃ - 850 ℃, ki o si mu titi ti iwọn otutu yoo fi jẹ aṣọ jakejado apakan ati tutu ninu ileru tabi afẹfẹ tutu.

Ìbínú

Iwọn otutu ti itọju ati omi pa awọn ẹya ti awọn irin 8620 (kii ṣe carburized) ni a ṣe ni 400 F si 1300 F lati mu ilọsiwaju lile ọran pẹlu ipa kekere lori lile rẹ. Eleyi yoo tun din awọn seese ti lilọ dojuijako.

Lile

Irin AISI 8620 yoo jẹ imuduro ni ayika 840 ° C - 870 ° C, ati epo tabi omi ti o da lori iwọn apakan ati intricacy. Tutu ni Afẹfẹ tabi Epo ti a beere.

Deede

1675ºF (910ºC) ati afẹfẹ dara. Eyi jẹ ọna miiran ti imudarasi ẹrọ ni ohun elo 8620; Iṣe deede tun le ṣee lo ṣaaju lile lile.

7. Ṣiṣe ẹrọ ti SAE 8620 Irin

Awọn irin alloy 8620 ti wa ni ẹrọ ni imurasilẹ lẹhin itọju ooru ati / tabi carburizing, yẹ ki o wa ni o kere ju ki o má ba ṣe ibajẹ ọran lile ti apakan naa. Machining le ṣee ṣe nipasẹ awọn ọna aṣa ṣaaju ki o to itọju ooru - lẹhin ti iṣelọpọ carburizing nigbagbogbo ni opin si lilọ.

8. Alurinmorin ti 8620 Ohun elo

Alloy 8620 le jẹ welded bi ipo yiyi nipasẹ awọn ọna aṣa, nigbagbogbo gaasi tabi alurinmorin arc. Preheating ni 400 F jẹ anfani ati alapapo atẹle lẹhin alurinmorin ni a ṣe iṣeduro - kan si ilana weld ti a fọwọsi fun ọna ti a lo. Sibẹsibẹ, alurinmorin ninu ọran ti o le tabi nipasẹ ipo lile ko ṣe iṣeduro

9. Ohun elo ti ASTM 8620 Irin

Ohun elo irin AISI 8620 ni lilo lọpọlọpọ nipasẹ gbogbo awọn apa ile-iṣẹ fun ina si awọn paati aapọn alabọde ati awọn ọpa ti o nilo resistance yiya dada giga pẹlu agbara mojuto to bojumu ati awọn ohun-ini ipa.

Awọn ohun elo ti o wọpọ ni: Arbors, Bearings, Bushings, Cam Shafts, Awọn Pinions Iyatọ, Awọn Pinni Itọsọna, Awọn Pinni Ọba, Pistons Pins, Gears, Splined Shafts, Ratchets, Sleeves ati awọn ohun elo miiran nibiti o ti ṣe iranlọwọ lati ni irin ti o le ṣe ni imurasilẹ ati carburized to dari nla ogbun.

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